23-02-2017 дата публикации
Номер: US20170050723A1
Автор:
Philipp Witte,
Stanley Warren Stawski,
Fedor A. Kleshchev,
Joshua William Zarfos,
Parth R. Naidu,
WITTE PHILIPP,
STAWSKI STANLEY WARREN,
KLESHCHEV FEDOR A,
ZARFOS JOSHUA WILLIAM,
NAIDU PARTH R,
Witte Philipp,
Stawski Stanley Warren,
Kleshchev Fedor A.,
Zarfos Joshua William,
Naidu Parth R.
Принадлежит:
A method and apparatus for forming a composite winglet for an aircraft is presented. The composite winglet comprises a first blade, a second blade, and a root region. The first blade includes a first leading edge and a first trailing edge. The second blade includes a second leading edge and a second trailing edge. The second blade is positioned at an angle to the first blade. The root region is co-cured with the first blade and the second blade to form the composite winglet. The root region is configured to receive an attachment system for attaching the composite winglet to a wing of the aircraft. 1. A manufacture that comprises a winglet that comprises a unitary bifurcated structure that comprises three ply-sets co-cured to comprise a root region integral to the unitary bifurcated structure and configured for attachment onto a tip of a wing.2. The manufacture of claim 1 , further comprising the winglet being devoid of fasteners.3. The manufacture of claim 1 , further comprising the winglet being devoid of any attached fairing component.4. The manufacture of claim 1 , further comprising the winglet being devoid of any attached splicing component.5. The manufacture of claim 1 , further comprising the winglet being devoid of any metallic components.6. The manufacture of claim 1 , further comprising an outboard portion of: the root region claim 1 , an upper blade of the winglet claim 1 , and a lower blade of the winglet claim 1 , that each comprise a first ply-set of the three ply-sets.7. The manufacture of claim 1 , further comprising an inboard portion of an upper blade of the winglet and an upper skin of the root region that each comprise a second ply-set of the three ply-sets.8. The manufacture of claim 1 , further comprising an inboard portion of a lower upper blade of the winglet and a lower skin of the root region that each comprise a third ply-set of the three ply-sets.9. The manufacture of claim 6 , further comprising a first ply-set of the three ply-sets ...
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